Internal anal sphincter. Observations on development and mechanism of inhibitory responses in premature infants and children with Hirschprung's disease.
D001003:Anal Canal / Q000503:physiopathology*; D003248:Constipation / Q000503:physiopathology; D004576:Electromyography; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000503:physiopathology*; D007415:Intestinal Obstruction / Q000503:physiopathology; D007420:Intestine, Large / Q000503:physiopathology*; D008297:Male; D008531:Megacolon / Q000473:pathology / Q000503:physiopathology*; D009132:Muscles / Q000503:physiopathology; D009197:Myenteric Plexus / Q000502:physiology; D011312:Pressure